Defined Benefit and Defined Contribution Plans (Funded Status Of Plan) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 26, 2022	Mar. 27, 2021	Mar. 28, 2020
Change in Plan Assets:
Fair value of plan assets at beginning of year	$ 21,666	$ 18,611
Actual return (loss) on plan assets	(505)	3,688
Benefits paid	(697)	(633)
Fair value of plan assets at end of year	20,464	21,666	$ 18,611
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year	22,096	21,646
Interest cost	638	692	752
Actuarial loss	(1,211)	391
Benefits paid	(697)	(633)
Benefit obligation at end of year	20,826	22,096	$ 21,646
Underfunded status of plan	$ (362)	$ (430)